1) as SUBJECT
To have known her is a a privilege.
2) as PREDICATIVE
The house seems to have been built by a good architect.
3) as OBJECT
By 2022, he hopes to have opened a branch overseas.
4) as ATTRIBUTE
There is no need to have bought a new pair of shoes for me.
5) as ADVERBIAL
He is too young to have seen the old society.
6) as OBJECT COMPLEMENT
They might have found it to have lived long, had not a particular circumstance occurred.
7) as SUBJECT COMPLEMENT
The game was originally scheduled to have taken place in Rome.
